26149480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1610

約数の個数: 64

約数和(自身を含む): 68388480

約数和(自身を除く): 42239000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1531, 1708, 2135, 2440, 3062, 3416, 4270, 6124, 7655, 8540, 10717, 12248, 15310, 17080, 21434, 30620, 42868, 53585, 61240, 85736, 93391, 107170, 186782, 214340, 373564, 428680, 466955, 653737, 747128, 933910, 1307474, 1867820, 2614948, 3268685, 3735640, 5229896, 6537370, 13074740, 26149480]

約数ペア:

[(1, 26149480), (2, 13074740), (4, 6537370), (5, 5229896), (7, 3735640), (8, 3268685), (10, 2614948), (14, 1867820), (20, 1307474), (28, 933910), (35, 747128), (40, 653737), (56, 466955), (61, 428680), (70, 373564), (122, 214340), (140, 186782), (244, 107170), (280, 93391), (305, 85736), (427, 61240), (488, 53585), (610, 42868), (854, 30620), (1220, 21434), (1531, 17080), (1708, 15310), (2135, 12248), (2440, 10717), (3062, 8540), (3416, 7655), (4270, 6124)]